Update server2.py

server2.py

@@ -235,7 +235,7 @@ def compress_folder():
         # )
         try:
             result = subprocess.run(
-            f'tar -cvf - {data_folder} | pigz -p 6 -1 > {zip_file_path} 2> /dev/null',
+            f'tar -cvf - {data_folder} | pigz -p 3 -1 > {zip_file_path} 2> /dev/null',
             shell=True,
             check=True,
             stdout=subprocess.DEVNULL,  # 将标准输出重定向到 /dev/null